140013580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{142871}}^1$

素因数の和:142894

約数の個数: 36

約数和(自身を含む): 342035568

約数和(自身を除く): 202021988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 142871, 285742, 571484, 714355, 1000097, 1428710, 2000194, 2857420, 4000388, 5000485, 7000679, 10000970, 14001358, 20001940, 28002716, 35003395, 70006790, 140013580]

約数ペア:

[(1, 140013580), (2, 70006790), (4, 35003395), (5, 28002716), (7, 20001940), (10, 14001358), (14, 10000970), (20, 7000679), (28, 5000485), (35, 4000388), (49, 2857420), (70, 2000194), (98, 1428710), (140, 1000097), (196, 714355), (245, 571484), (490, 285742), (980, 142871)]